Genital Herpes

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  • Aciclovir


Genital Herpes
  • Medication features

    Aciclovir is an antiviral medication designed to help treat genital herpes. Genital herpes can be a difficult condition to manage. It can also negatively impact personal and sexual relationships. Aciclovir medication is in tablet form and has a dosage of one tablet taken three times a day in order to treat an outbreak. For preventative measures, it can also be taken as one tablet twice a day instead. It’s important to stay hydrated throughout the course of treatment and to also ensure that you take the correct dosage as prescribed.  

    • Aciclovir is an antiviral medication that is designed to treat genital herpes. 
    • Can be used for both outbreaks and prevention depending on the dosage taken


NOTE: After selecting this product, you will need to complete a short assessment, so we can make sure this medication is suitable for you. Pricing is provided as a reference only. The final decision on issuing this medication remains with our Prescriber / Pharmacist.

Aciclovir is an antiviral medication that can be used to help reduce symptoms of a genital herpes outbreak. It can also be used to help suppress the virus, to prevent symptoms from reappearing.


For an initial outbreak of genital herpes, the recommended dose is 400mg three times a day for five days.

If you have more than six outbreaks a year, it is recommended to take a suppression course of 400mg twice a day for three months.


  • Is Aciclovir safe long term?

    Yes, Aciclovir is safe to take long term over several months. This means it is suitable for individuals who experience recurrent genital herpes and want to keep it under control.

  • Does Aciclovir affect the contraceptive pill?

    There are no known interactions between Aciclovir and the contraceptive pill, so it is safe to take both at the same time. Please remember that if you experience any side effects such as vomiting or diarrhoea, this can affect the effectiveness of the pill.

  • How quickly should Aciclovir work?

    You should start taking Aciclovir as soon as symptoms start to appear. However, Aciclovir can also be taken as a preventative measure for long-term sufferers. If it’s your first time taking Aciclovir, the first course will likely be around ten days. It’s important to note that results do not show immediately, so it is important to be patient and continue the treatment until told to stop.

  • How can I manage side effects?

    Unfortunately, there are some common side effects that can occur when using Aciclovir such as diarrhoea. But this can be reduced by using over the counter treatments such as Loperamide. It’s recommended to take this medication with or just after food in order to minimise nausea. There are options available for vomiting such as cyclizine, promethazine, and prochlorperazine, which can be purchased here at Pharmacy Online.

Side Effects

With all medications, there is always a risk of side effects. Often, they can be quite mild and can subside over time. Others are more serious and should be reported to your GP right away if you experience any side effects. Please contact a member of our team if you are concerned about any potential side effects that may occur when taking aciclovir.

Common side effects may include:

  • Fatigue
  • Nausea
  • Diarrhoea
  • Abdominal pain
  • Fever
  • Vomiting
  • Dizziness

You should inform a healthcare professional if you start to show any of the following side effects:

  • Seizures
  • Drowsiness
  • Confusion
  • Agitation
  • Tremor 


Info Leaflet

Before taking any medicines, regardless of whether they are over the counter or prescription-only, it is essential always to read the patient information leaflet.

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